Design Volume 1 : A volume determined for use in design, representing traffic expected to use the highway. Unless otherwise stated, it is an hourly volume
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}